Q7 / 180 · KCET 2021 · Chemistry

The reagent which can do the conversion $\mathrm{CH}_{3} \mathrm{COOH} \longrightarrow \mathrm{CH}_{3}-\mathrm{CH}_{2}-\mathrm{OH}$ is

  • Correct answer
    A
    $\mathrm{LiAlH}_{4} /$ ether
  • B
    $\mathrm{H}_{2}, \mathrm{Pt}$
  • C
    $\mathrm{NaBH}_{4}$
  • D
    Na and $\mathrm{C}_{2} \mathrm{H}_{5} \mathrm{OH}$

Solution

$\mathrm{LiAlH}_{4} / \mathrm{ether}$ is an reducing agent, thus it can reduces carboxylic acid (in this case is acetic acid) to alcohols (in this case is ethanol). The overall reaction is as follows $\mathrm{CH}_{3} \mathrm{COOH} \stackrel{\mathrm{LiAlH}_{4} / \text { ether }}{\longrightarrow} \mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{OH}$

Hence, the correct answer is option: 'A'.

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